Which of the following samples would require the largest volume of water to arrive at a statistically significant result from the Membrane Filtration Method?
A) Pond water
B) Water from a drinking fountain
C) Bottled water
C) Bottled water
Feedback: In order to trap 20-80 coliforms more water is required from "clean" sources, out of these choices, bottled water is the "cleanest".
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On average, humans differ by _____________________% of their genomic sequences
Fill in the blank(s) with correct word
Which of the following are produced as a result of cellular respiration?
A) ATP and water B) carbon dioxide and ATP C) carbon dioxide, water, and ATP D) oxygen and glucose
Enzymes are biological catalysts that enhance the rate of a reaction by:
A) decreasing the activation energy. B) decreasing the amount of free energy released. C) increasing the activation energy. D) increasing the amount of free energy released. E) increasing the energy of the transition state
Assume that you have cut ? DNA with the restriction enzyme HindIII. You separate the fragments on an agarose gel and stain the DNA with ethidium bromide. You notice that the intensity of the stain is less in the bands that have migrated closer to the
"+" pole. Give an explanation for this finding. What will be an ideal response?